package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.dto.SetmealDto;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Dish;
import com.itheima.reggie.entity.Setmeal;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.SetMealService;
import com.itheima.reggie.service.SetmealDishService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.web.bind.annotation.*;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;

@RestController
@Slf4j
@RequestMapping("/setmeal")
public class SetmealController {

    @Autowired
    private SetmealDishService setmealDishService;

    @Autowired
    private SetMealService setMealService;

    @Autowired
    private CategoryService categoryService;

    //新增套餐
    @PostMapping
    @CacheEvict(value="setmealCache",allEntries = true)
    public R<String> save(@RequestBody SetmealDto setmealDto){
        log.info("套餐信息:{}",setmealDto);

        setMealService.saveWithDish(setmealDto);

        return R.success("新增套餐成功");

    }

    //套餐分页查询
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize,String name){
        //分页构造器对象
        Page<Setmeal> pageInfo=new Page<>(page,pageSize);
        Page<SetmealDto> dtoPage=new Page<>();

        LambdaQueryWrapper<Setmeal> queryWrapper=new LambdaQueryWrapper<>();
        //添加查询条件，根据name进行like模糊查询
        queryWrapper.like(name!=null,Setmeal::getName,name);
        //添加排序条件
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        setMealService.page(pageInfo,queryWrapper);

        //对象拷贝
        BeanUtils.copyProperties(pageInfo,dtoPage,"records");//记录不要拷,因为泛型不一样
        List<Setmeal> records=pageInfo.getRecords();

        List<SetmealDto> list=records.stream().map((item)->{
            SetmealDto setmealDto=new SetmealDto();
            //对象拷贝
            BeanUtils.copyProperties(item,setmealDto);

            Long categoryId=item.getCategoryId();
            //根据分类id查询分类对象
            Category category=categoryService.getById(categoryId);
            if(category!=null){
                String categoryName=category.getName();
                setmealDto.setCategoryName(categoryName);

            }
            return setmealDto;
        }).collect(Collectors.toList());

        dtoPage.setRecords(list);


        return R.success(dtoPage);
    }

    @DeleteMapping
    @CacheEvict(value="setmealCache",allEntries = true)
    public R<String> delete(@RequestParam List<Long> ids){

        log.info("ids:{}",ids);
        setMealService.removeWithDish(ids);
        return R.success("套餐数据删除成功");
    }

    @PostMapping("/status/{st}")
    public R<String> status(@PathVariable int st,@RequestParam List<Long> ids){
        log.info("-------------ids:{}",ids);


        for(Long id:ids){
            LambdaQueryWrapper<Setmeal> queryWrapper=new LambdaQueryWrapper<>();
            if(queryWrapper.eq(Setmeal::getId,id)!=null){
                Setmeal setmeal=setMealService.getById(id);
                setmeal.setStatus(st);
                setMealService.updateById(setmeal);
            }
        }



//
//        String[] str=(ids.split(","));
//        Long[] str2=new Long[str.length];
//        Arrays.stream(str).forEach((s)-> {
//            Setmeal setmeal= setMealService.getById(Long.valueOf(s));
//            setmeal.setStatus(st);
//            setMealService.updateById(setmeal);
//        });


        return R.success("状态修改成功");
    }

    @GetMapping("/list")
    @Cacheable(value = "setmealCache",key = "#setmeal.categoryId+'_'+#setmeal.status")
    public R<List<Setmeal>> list(Setmeal setmeal){
        LambdaQueryWrapper<Setmeal> queryWrapper=new LambdaQueryWrapper<>();
        queryWrapper.eq(setmeal.getCategoryId()!=null,Setmeal::getCategoryId,setmeal.getCategoryId());
        queryWrapper.eq(setmeal.getStatus()!=null,Setmeal::getStatus,setmeal.getStatus());
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        List<Setmeal> list=setMealService.list(queryWrapper);

        return R.success(list);
    }
}
